CN219402299U - Casting device of high-purity ferrosilicon - Google Patents

Abstract

The utility model relates to a casting device of high-purity ferrosilicon, which comprises a ladle, wherein the bottom of the ladle is provided with a sliding water gap, and the sliding water gap comprises a water inlet brick provided with a conical hole with a big upper part and a small lower part and a water outlet brick provided with a through hole; the upper runner brick is fixed on the ladle through a pocket block, an upper sliding plate brick and a lower sliding plate brick which can slide relatively in a staggered manner are arranged between the upper runner brick and the lower runner brick, and through holes corresponding to the upper runner brick and the lower runner brick are arranged on the upper sliding plate brick and the lower sliding plate brick; the upper slide plate brick and the lower slide plate brick are arranged in the sliding frame at the bottom of the ladle, and the lower slide plate brick can reciprocate in the sliding frame under the control of the driving mechanism. The device adopts the ladle bottom to install the sliding gate to control casting, thereby not only avoiding the mixed casting of iron and slag and ensuring the cleanliness of the high-purity ferrosilicon molten iron casting, but also controlling the casting speed, reducing the component segregation of the high-purity ferrosilicon casting, and also reducing the carbon content of the high-purity ferrosilicon ingot and avoiding the potential safety hazard of operation.

Description

Casting device of high-purity ferrosilicon

Technical Field

The utility model relates to a molten iron casting technical field especially relates to a casting device of high-purity ferrosilicon.

Background

The casting process of the existing high-purity ferrosilicon comprises the following steps: and (3) refining the ladle of the Cheng Gaochun ferrosilicon molten iron, slagging off, and then lifting to a casting station for casting. The ladle trunnion for holding high-purity ferrosilicon molten iron is basically fixed by a gantry hook of a crane, a hook chain at the bottom of the ladle is hooked by an auxiliary hook of the crane, the upper opening of the ladle is aligned to the ingot mould, and the auxiliary hook is lifted by the crane to perform casting.

The casting method is simple and easy to implement, and is widely used in the ferroalloy industry. However, for the casting of special ferroalloy-high purity ferrosilicon, there are indeed a few drawbacks: firstly, iron and slag are mixed and poured, so that the cleanliness of a cast high-purity silicon iron ingot is seriously affected, and even if the bonded slag high-purity silicon iron ingot can be cleaned after casting, the difficulty is high, and the process and the time are wasted; secondly, the casting speed is controlled by using a crane attached hook, so that the difficulty is high, and the composition segregation of the poured high-purity silicon iron ingot is high; thirdly, the silicon carbide and the free carbon which are floated out of the ladle are returned to the high-purity silicon iron ingot; fourthly, the casting speed is controlled by using the crane auxiliary hook, and the hidden operational safety trouble exists.

Therefore, the method can avoid the mixed casting of iron and slag, ensure the cleanliness of the high-purity ferrosilicon molten iron casting, control the casting speed, reduce the component segregation of the high-purity ferrosilicon casting, reduce the carbon content of the high-purity ferrosilicon ingot, avoid the potential safety hazard of operation and be the urgent problem to be solved by high-purity ferrosilicon manufacturers.

Novel content

To alleviate or solve at least one aspect or at least one point of the above-mentioned problems, the present utility model is presented.

The utility model provides a casting device of high-purity ferrosilicon, including ladle, carriage, upper nozzle brick, lower nozzle brick, go up slide brick and slide brick down: the ladle comprises a bottom surface and a side surface, wherein a mounting hole is formed in the bottom surface of the ladle, and the water feeding brick passes through the mounting hole and is fixed on the bottom surface of the ladle; the sliding frame is fixed on the bottom surface of the ladle; a first channel is formed in the upper nozzle brick, the upper nozzle brick is fixedly connected with the upper slide plate brick, and a third channel communicated with the first channel is formed in the upper slide plate brick; the inner part of the lower nozzle brick is provided with a second channel, the lower nozzle brick is fixedly connected with the lower slide plate brick, and the lower slide plate brick is provided with a fourth channel communicated with the second channel; the upper sliding plate bricks and the lower sliding plate bricks are arranged in the sliding frame; the lower sliding plate brick can slide back and forth in the sliding frame relative to the upper sliding plate brick.

The utility model discloses a ladle bottom surface installation sliding gate control casting, iron, sediment are layered because of the density is different in the ladle, sediment and mix with and float in the upper strata, and molten iron sinks in the lower floor. The sliding gate is opened to cast clean high-purity ferrosilicon molten iron deposited on the lower layer, so that the cleanliness of the cast high-purity ferrosilicon can be ensured; meanwhile, the silicon carbide and the free carbon which are floated up in the ladle cannot be returned to the high-purity silicon iron ingot, so that the carbon content of the high-purity silicon iron ingot is effectively reduced. In the production operation, the lower sliding plate brick can be flexibly opened and closed according to the requirement of casting speed to control casting, throttling, interception and the like, so that the component segregation of the poured high-purity silicon iron ingot is reduced. The sliding gate is controlled by the driving mechanism, and the operation is safe and reliable.

In order to achieve better effects, the utility model also provides the following preferable technical scheme:

preferably, the sliding frame further comprises a driving mechanism, and the lower sliding plate brick can be driven to slide back and forth in the sliding frame relative to the upper sliding plate brick through the driving mechanism.

Preferably, the driving mechanism includes: a connecting rod and a connecting piece;

the connecting piece is approximately L-shaped, the middle part of the connecting piece is hinged on the hinge seat, and the hinge seat is fixed on the side surface of the ladle; one end of the connecting rod is hinged with the lower sliding plate brick, and the other end is hinged with one L-shaped end of the connecting piece.

Preferably, the bottom of the sliding frame is provided with an avoidance groove, and the avoidance groove is used for avoiding affecting the movement of the connecting rod.

Preferably, the sliding gate valve further comprises a brick cup, and the brick cup is fixedly connected to the periphery of the upper gate valve brick.

Preferably, the first channel is a conical structure with a large upper part and a small lower part.

Preferably, the first channel and the third channel are arranged on the same central line; the second channel is arranged concentrically with the fourth channel.

Preferably, the side and bottom surfaces of the ladle are each of a multi-layered structure including a steel plate, an asbestos plate and a lining brick.

Preferably, the lower slide brick is reciprocally slidable within the carriage between a first position and a second position relative to the upper slide brick; the third channel and the fourth channel are in the maximum communication state in the first position, and the third channel and the fourth channel are in the disconnection state in the second position.

Preferably, the lower slide brick is slidable relative to the upper slide brick to a third position; in the third position, the lower tile blocks a portion of the exit of the third channel of the upper tile.

Preferably, the shape and size of the inlet of the third channel are consistent with the shape and size of the outlet of the first channel; the shape and the size of the inlet of the fourth channel are consistent with those of the outlet of the second channel; the shape and size of the inlet of the fourth channel are consistent with the shape and size of the outlet of the third channel.

This is further through actuating mechanism's setting, and the movable lower slide brick that can be convenient switches between the open position promptly in the first position, the closed position promptly in the second position and the throttle position promptly in the third position, and its flexible operation is convenient. The L-shaped handle of the driving mechanism can be used for leverage, so that the operation is labor-saving and the manual operation is convenient.

Drawings

Fig. 1 is a schematic view of a casting apparatus (in a fully opened state) of high purity ferrosilicon of the apparatus of the present utility model.

Fig. 2 is an enlarged schematic view of a part of a casting apparatus (in a throttled state) of high purity ferrosilicon of the apparatus of the present utility model.

Fig. 3 is an enlarged schematic view of a part of the casting apparatus of high purity ferrosilicon of the apparatus of the present utility model (in a closed state).

In the figure: 1-ladle, 2-runner brick, 3-runner brick, 4-seat brick, 5-upper slide brick, 6-lower slide brick, 7-slide frame, 8-connecting rod, 9-connecting piece, 10-steel plate, 11-asbestos plate, 12-lining brick.

Detailed Description

The following description of the novel embodiments is intended to be illustrative of the novel general inventive concept and should not be taken as limiting the utility model with reference to the accompanying drawings. In the present utility model, the same reference numerals denote the same or similar components.

The features described herein may be embodied in different forms and should not be construed as limited to the examples described herein. Rather, the examples described herein have been provided to illustrate only some of the many possible ways to implement the methods, devices, and/or systems described herein that will be apparent after an understanding of the present disclosure.

Although terms such as "first," "second," and "third" may be used herein to describe various elements, components, regions, layers or sections, these elements, components, regions, layers or sections should not be limited by these terms. Rather, these terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section.

In the description, when an element (such as a layer, region or substrate) is referred to as being "on" another element, "connected to" or "coupled to" the other element, it can be directly "on" the other element, be directly "connected to" or be "coupled to" the other element, or one or more other elements intervening elements may be present. In contrast, when an element is referred to as being "directly on" or "directly connected to" or "directly coupled to" another element, there may be no other element intervening elements present.

The terminology used herein is for the purpose of describing various examples only and is not intended to be limiting of the disclosure. Singular forms also are intended to include plural forms unless the context clearly indicates otherwise. The terms "comprises," "comprising," and "having" specify the presence of stated features, amounts, operations, components, elements, and/or combinations thereof, but do not preclude the presence or addition of one or more other features, amounts, operations, components, elements, and/or combinations thereof.

In order to enable one skilled in the art to utilize the present disclosure, the following exemplary embodiments are presented in terms of particular application scenarios, particular system, device and component parameters, and particular manner of connection. However, it will be apparent to those skilled in the art that these embodiments are merely examples, and that the general principles defined herein may be applied to other embodiments and applications without departing from the spirit and scope of the utility model.

According to one exemplary embodiment of the present utility model: as shown in fig. 1 to 3, a casting apparatus of high purity ferrosilicon includes a ladle 1 and a sliding gate valve, the sliding gate valve including: carriage 7, upper nozzle brick 2, lower nozzle brick 3, upper slide plate brick 5 and lower slide plate brick 6: the ladle 1 comprises a bottom surface and side surfaces, wherein a mounting hole is formed in the bottom surface of the ladle 1, and the water feeding brick 2 passes through the mounting hole and is fixed on the bottom surface of the ladle 1; the sliding frame 7 is fixed on the bottom surface of the ladle 1; a first channel is formed in the upper nozzle brick 2; the upper nozzle brick 2 is fixedly connected with an upper slide plate brick 5, and the upper slide plate brick 5 is provided with a third channel communicated with the first channel; a second channel is formed in the sewer bricks 3; the lower nozzle brick 3 is fixedly connected with a lower slide plate brick 6, and the lower slide plate brick 6 is formed with a fourth channel communicated with the second channel; the upper slide plate brick 5 and the lower slide plate brick 6 are arranged in the slide frame 7; the lower slide brick 6 can slide back and forth in the carriage 7 relative to the upper slide brick 5, and in the process, the lower nozzle brick 3 fixedly connected with the lower slide brick 6 moves together with the lower slide brick 6.

According to one exemplary embodiment of the present utility model: as shown in fig. 1-3, the device also comprises a driving mechanism, and the lower nozzle brick 3 can be driven to slide back and forth in the sliding frame 7 relative to the upper nozzle brick 2 through the driving mechanism. The driving mechanism is mainly used for driving the lower nozzle brick 3 to slide in the sliding frame 7 relative to the upper nozzle brick 2, and the specific form of the driving mechanism can be various forms, such as a mode of directly arranging a pushing rod on one side of the lower nozzle brick 3. In order to achieve better driving effect, the utility model discloses preferred, actuating mechanism includes: a connecting rod 8 and a connecting piece 9; the connecting piece 9 is approximately L-shaped, the middle part of the connecting piece is hinged on a hinge seat, and the hinge seat is fixed on the side surface of the ladle 1; one end of the connecting rod 8 is hinged with the lower slide brick 6, for example, a hinge part can be arranged on one side of the lower slide brick 6, and the other end is hinged with one L-shaped end of the connecting piece 9.

According to one exemplary embodiment of the present utility model: as shown in fig. 1-3, the bottom of the carriage 7 is provided with a relief groove for avoiding influencing the movement of the connecting rod 8. The form of the carriage 7 may be various as long as it can support the lower slide brick 6 to slide. For example, the sliding frame 7 can be of an [ ] structure, the left side and the right side are used for supporting the lower sliding plate brick 6 so that the lower sliding plate brick can slide relatively, and meanwhile, the opening in the middle can not influence the rotation of the connecting rod 8.

According to one exemplary embodiment of the present utility model: as shown in fig. 1-3, the nozzle block further comprises a socket brick 4, wherein the socket brick 4 is fixedly connected with the periphery of the upper nozzle brick 2.

According to one exemplary embodiment of the present utility model: as shown in fig. 1-3, the lower slide brick 6 is reciprocally slidable within the carriage 7 between a first position and a second position relative to the upper slide brick 5; the third channel and the fourth channel are in the maximum communication state in the first position, and the third channel and the fourth channel are in the disconnection state in the second position. The lower slide plate brick 6 can slide to a third position relative to the upper slide plate brick 5; in the third position, the lower slide brick 6 blocks part of the outlet of the third channel of the upper slide brick 5. The first position is in a full-open state, the second position is in a closed state, and the third position is in a throttling state.

According to one exemplary embodiment of the present utility model: as shown in fig. 1-3, the first channel is a tapered structure with a large top and a small bottom, such as a tapered hole. The first channel and the third channel are arranged at the same central line; the second channel is arranged concentrically with the fourth channel. The shape and the size of the inlet of the third channel are consistent with those of the outlet of the first channel; the shape and the size of the inlet of the fourth channel are consistent with those of the outlet of the second channel; the shape and size of the inlet of the fourth channel are consistent with the shape and size of the outlet of the third channel. By the arrangement, the smoothness of flow can be ensured. The second channel, the third channel and the fourth channel are all through holes.

According to one exemplary embodiment of the present utility model: as shown in fig. 1 to 3, the ladle 1 has a multi-layered structure including a steel plate 10, an asbestos plate 11 and lining bricks 12 on both sides and bottom. Through the arrangement, the structure is stable, and the high-temperature prevention effect is good.

The operation of the device according to the utility model in the production operation is described below with reference to the accompanying figures 1-3: the method comprises the following steps:

cleaning up sundries in and around the sliding gate valve in advance;

the upper sliding plate brick 5 is adjusted to be freely opened and closed relative to the lower sliding plate brick 6;

lifting the ladle 1 to a ladle baking station for baking, closing a lower sliding plate brick 6 for intercepting after baking to reach the standard, and lifting to a tapping hole for receiving molten iron;

after receiving molten iron and refining, hanging the ladle 1 to a casting station for slag skimming;

after the slag skimming is completed, lifting the ladle 1 to the casting ingot mould to align with the ingot mould, and opening and closing the lower slide plate brick 6 to perform casting, throttling and interception;

after casting is finished, closing the intercepted lower slide plate brick 6, then hanging the ladle 1 to a slag discharging station, and pouring out the residue from the upper opening of the ladle 1;

the ladle 1 and the sliding gate after the pouring of the residue are cleaned and then the next cycle is performed.

The utility model discloses an installation of ladle 1 bottom surface sliding gate control casting, iron, sediment are layered because of the density is different in ladle 1, sediment and inclusion float on the upper strata, the molten iron sinks at the lower floor. The sliding gate is opened to cast clean high-purity ferrosilicon molten iron deposited on the lower layer, so that the cleanliness of the cast high-purity ferrosilicon can be ensured; meanwhile, the silicon carbide and free carbon which are floated up in the ladle 1 cannot be returned to the high-purity silicon iron ingot, so that the carbon content of the high-purity silicon iron ingot is effectively reduced. In the production operation, the lower slide plate brick 6 can be flexibly opened and closed according to the requirement of casting speed to control casting, throttling, interception and the like, so that the component segregation of the cast high-purity silicon iron ingot is reduced. The sliding gate is controlled by the driving mechanism, and the operation is safe and reliable.

This is further through actuating mechanism's setting, and slide brick 6 switches between the open position promptly in the first position, the closed position promptly in the second position and the throttle position promptly in the third position under the removal that can be convenient, and its flexible operation is convenient. The L-shaped handle of the driving mechanism can be used for leverage, so that the operation is labor-saving and the manual operation is convenient.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes may be made and equivalents may be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a casting device of high-purity ferrosilicon which characterized in that: comprises a ladle (1) and a sliding nozzle; the sliding gate valve includes: the sliding frame (7), the upper nozzle brick (2), the lower nozzle brick (3), the upper sliding plate brick (5) and the lower sliding plate brick (6): the ladle (1) comprises a bottom surface and side surfaces, wherein a mounting hole is formed in the bottom surface of the ladle (1), and the upper nozzle brick (2) is fixed on the bottom surface of the ladle (1) through the mounting hole;

the sliding frame (7) is fixed on the bottom surface of the ladle (1);

a first channel is formed in the upper nozzle brick (2), the upper nozzle brick (2) is fixedly connected with the upper slide plate brick (5), and a third channel communicated with the first channel is formed in the upper slide plate brick (5);

a second channel is formed in the lower nozzle brick (3), the lower nozzle brick (3) is fixedly connected with the lower slide plate brick (6), and a fourth channel communicated with the second channel is formed in the lower slide plate brick (6);

the upper sliding plate brick (5) and the lower sliding plate brick (6) are arranged in the sliding frame (7);

the lower sliding plate brick (6) can slide back and forth in the sliding frame (7) relative to the upper sliding plate brick (5).

2. Casting device according to claim 1, characterized in that: the sliding frame also comprises a driving mechanism, and the lower sliding plate brick (6) can be driven to slide back and forth in the sliding frame (7) relative to the upper sliding plate brick (5) through the driving mechanism.

3. Casting device according to claim 2, characterized in that: the driving mechanism includes: a connecting rod (8) and a connecting piece (9);

the connecting piece (9) is approximately L-shaped, the middle part of the connecting piece is hinged on the hinge seat, and the hinge seat is fixed on the side surface of the ladle (1);

one end of the connecting rod (8) is hinged with the lower sliding plate brick (6), and the other end is hinged with one L-shaped end of the connecting piece (9).

4. A casting device according to claim 3, characterized in that: the bottom of carriage (7) has been seted up and has been dodged the groove, dodge the groove and be used for avoiding influencing the motion of connecting rod (8).

5. Casting device according to claim 1, characterized in that: the sliding water gap also comprises a pocket block (4), and the pocket block (4) is fixedly connected with the periphery of the upper water gap brick (2).

6. Casting device according to claim 1, characterized in that: the first channel is of a conical structure with a large upper part and a small lower part.

7. Casting device according to claim 1, characterized in that: the first channel and the third channel are arranged at the same central line; the second channel is arranged concentrically with the fourth channel.

8. Casting device according to claim 1, characterized in that:

the lower sliding plate brick (6) can slide back and forth between a first position and a second position in the sliding frame (7) relative to the upper sliding plate brick (5); the third channel and the fourth channel are in the maximum communication state at the first position; in the second position, the third channel is disconnected from the fourth channel.

9. The casting device according to claim 8, wherein: the lower sliding plate brick (6) can slide to a third position relative to the upper sliding plate brick (5); in the third position, the lower slide brick (6) blocks part of the outlet of the third channel of the upper slide brick (5).

10. Casting device according to claim 1, characterized in that: the shape and the size of the inlet of the third channel are consistent with those of the outlet of the first channel; the shape and the size of the inlet of the fourth channel are consistent with those of the outlet of the second channel; the shape and size of the inlet of the fourth channel are consistent with the shape and size of the outlet of the third channel.